Class CountExpression

Namespace

JsonApiDotNetCore.Queries.Expressions

Assembly

JsonApiDotNetCore.dll

This expression allows to determine the number of related resources in a to-many relationship. It represents the "count" function, resulting from text such as: count(articles) .

[PublicAPI]
public class CountExpression : FunctionExpression

Inheritance

object

QueryExpression

FunctionExpression

CountExpression

Inherited Members

object.Equals(object, object)

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

Constructors

CountExpression(ResourceFieldChainExpression)

public CountExpression(ResourceFieldChainExpression targetCollection)

Parameters

targetCollection ResourceFieldChainExpression

Properties

ReturnType

The CLR type this function returns, which is always int.

public override Type ReturnType { get; }

Property Value

Type

TargetCollection

The to-many relationship to count related resources for. Chain format: an optional list of to-one relationships, followed by a to-many relationship.

public ResourceFieldChainExpression TargetCollection { get; }

Property Value

ResourceFieldChainExpression

Methods

Accept<TArgument, TResult>(QueryExpressionVisitor<TArgument, TResult>, TArgument)

public override TResult Accept<TArgument, TResult>(QueryExpressionVisitor<TArgument, TResult> visitor, TArgument argument)

Parameters

visitor QueryExpressionVisitor<TArgument, TResult>

argument TArgument

Returns

TResult

Type Parameters

TArgument

TResult

Equals(object?)

Determines whether the specified object is equal to the current object.

public override bool Equals(object? obj)

Parameters

obj object

The object to compare with the current object.

Returns

bool

true if the specified object is equal to the current object; otherwise, false.

GetHashCode()

Serves as the default hash function.

public override int GetHashCode()

Returns

int

A hash code for the current object.

ToFullString()

public override string ToFullString()

Returns

string

ToString()

Returns a string that represents the current object.

public override string ToString()

Returns

string

A string that represents the current object.